A netcat type thing in python

netwk.py

#
# > telnet localhost 4000
# Trying 127.0.0.1...
# Connected to localhost.
# Escape character is '^]'.
# hello
# world
#
# Connection closed by foreign host.

import socket

skt = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

skt.bind(('localhost', 4000))
print "Listening on localhost:4000"

skt.listen(1)

while True:
    connection, client_address = skt.accept()
    stack = []
    try:
        # Collect data until blank line is provided
        while True:
            data = connection.recv(512).strip()
            if not data: break
            stack.append(data)

        # Display data and reset stack
        print "\r\n".join(stack)
        stack = []

    finally:
        connection.close()